const mysql = require('mysql');

// 连接
let db = mysql.createPool({host: 'localhost', user: 'root', password: '', port: 3306, database: '20180131'});


db.query(`UPDATE user_table SET chinese=99 WHERE ID=1;`, (err, data) => {
	if (err) {
		console.log(err);
	} else {
		console.log(data);
	}
});